EP1439436B1 - Chronograph timepiece - Google Patents
Chronograph timepiece Download PDFInfo
- Publication number
- EP1439436B1 EP1439436B1 EP04250151A EP04250151A EP1439436B1 EP 1439436 B1 EP1439436 B1 EP 1439436B1 EP 04250151 A EP04250151 A EP 04250151A EP 04250151 A EP04250151 A EP 04250151A EP 1439436 B1 EP1439436 B1 EP 1439436B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chronograph
- hand
- operated
- resetting
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
- G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
- G04F7/08—Watches or clocks with stop devices, e.g. chronograph
- G04F7/0866—Special arrangements
- G04F7/088—Special arrangements with display of fraction of seconds, e.g. foudroyante
Definitions
- the present invention relates to a chronograph timepiece having a chronograph function.
- chronograph timepiece having a time hand for indicating current time and a chronograph hand for indicating a measured time interval (for example, chronograph 1/10 second hand for indicating by a 1/10 second unit, chronograph second hand for indicating by 1 second unit, chronograph minute hand for indicating by 1 minute unit, chronograph second/minute cooperation hand for cooperatively moving the second hand and the minute hand).
- the chronograph timepiece is provided with a reset function for resetting a chronograph hand to return to a zero position after finishing measurement or the like.
- a reset mode for resetting a chronograph hand can be brought about by operating to pull a crown.
- the reset mode there is constructed a constitution in which a chronograph hand for resetting is selected by operating a start button and the selected chronograph hand is reset to return to a zero position by operating a reset button.
- a reset mode for resetting a chronograph hand can be brought about by simultaneously operating to depress a start button and a reset button.
- the reset mode there is constructed a constitution in which a chronograph hand for resetting is selected by operating a start button and the selected chronograph hand is reset to return to a zero position by operating a reset button.
- the controlling means corresponds the chronograph hand and a rotational direction in resetting the chronograph hand to the start button and the reset button in the reset modes.
- the chronograph timepiece includes a chronograph 1/10 second hand and a chronograph second/minute cooperation hand and the controlling means sets a function of resetting to regularly rotate the chronograph 1/10 second hand to the start button and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button in a case in which the reset button has not been operated yet when the crown is operated.
- the chronograph timepiece includes a chronograph second/minute cooperation hand and the controlling means sets a function of resetting to reversely rotate the chronograph second/minute cooperation hand to the start button and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button in a case in which the reset button has already been operated when the crown is operated.
- the chronograph timepiece includes a chronograph 1/10 second hand and a chronograph second hand and the controllingmeans sets a function of resetting to regularly rotate the chronograph 1/10 second hand to the start button and sets a function of resetting to regularly rotate the chronograph second hand to the reset button in a case in which the reset button has not been operated yet when the crown is operated.
- the chronograph timepiece includes a chronograph minute hand and the controlling means sets a function of resetting to regularly rotate the chronograph minute hand to the start button and sets a function of resetting to reversely rotate the chronograph minute hand to the reset button in a case in which the reset button has already been operated when the crown is operated.
- Fig. 1 is a block diagram of a chronograph timepiece according to a first embodiment of the invention showing an example of an analog/chronograph electronic timepiece having a time hand for indicating current time, a chronograph 1/10 second hand for indicating a measured time period by a 1/10 second unit and a chronograph second/minute cooperation hand for rotating a second hand and a minute hand cooperatively for indicating the measured time period.
- a chronograph timepiece includes an oscillating circuit 101 for generating a reference signal, a dividing circuit 102 for generating a counting reference signal for counting time by dividing the reference signal, a first input circuit 103 for outputting a time measurement start signal or a time measurement stop signal in accordance with operation of a start button (start button 202 of Fig. 2 and Fig. 3 ), a second input circuit 104 for outputting a signal in accordance with operation of a reset button (reset button 203 of Fig. 2 and Fig. 3 ), a third input circuit 105 for outputting a signal in accordance with operation of a crown (crown 204 of Fig. 2 and fig.
- a control circuit 106 as controlling means constituted by a central processing unit (CPU) for carrying out counting operation of the reference signal, a processing, mentioned later, or control of a total of the chronograph timepiece, a time indicating hand 109 for indicating current time, a first motor 108 for driving to rotate the time indicating hand 109, a first motor driver circuit 107 for driving the motor 108 in response to a signal from the control circuit 106, a first chronograph indicating hand (chronograph 1/10 secondhand) 112 for indicting a measured time period by a 1/10 second unit, a second motor 111 for driving to rotate the first chronograph indicating hand 112, a second motor driver circuit 110 for driving the motor 111 in response to a signal from the control circuit 106, a second chronograph indicating hand (chronograph second/minute cooperation hand) 115 for cooperatively rotating a second hand and a minute hand for indicating the measured time period by second and minute, a third motor 114 for driving to rotate the second chronograph indicating
- Fig. 2 and Fig. 3 are outline front views of the chronograph timepiece shown in Fig. 1 and portions the same as those of Fig. 1 are attached with the same notations. Further, Fig. 2 is a view showing a time measuring state and Fig. 3 is a view showing a zero position returning operation state.
- the chronograph timepiece is provided with the chronograph 1/10 second hand 112, the chronograph second/minute cooperation hand 115, a date indicating portion 201, the start button 202 for carrying out operation of starting to measure a time period and operation of stopping to measure the time period in the chronograph mode, the reset button 203 for carrying out resetting operation for returning the chronograph indicating hand to the zero position in a state of stopping to measure the time period in the chronograph mode, and the crown 204.
- the reset button 203 is an operation button operated in shifting to the chronograph hand reset mode and is an operation button which is not provided with other function in shifting to the chronograph hand reset mode.
- Fig. 4 is a flowchart showing operation of the control circuit 106 according to the first embodiment of the invention.
- the dividing circuit 102 divides a clock signal outputted from the oscillating circuit 101 and outputs a counting reference signal for constituting the reference signal for counting time.
- the control circuit 106 generates time data indicating time by counting the counting reference signal.
- the time data indicating the current time is supplied to the motor driver circuit 107, the motor driver circuit 107 drives to rotate the motor 108 in response to the time data and the motor 108 drives to rotate the time indicating hand (for example, hour hand, minute hand, second hand) 109.
- the time indicating hand for example, hour hand, minute hand, second hand
- the current time is indicated by the time indicating hand 109.
- time measuring operation When the start button 202 is operated to depress in a state in which the current time is counted and indicated, the time measurement start signal for instructing to start time measurement is outputted from the input circuit 103 to the control circuit 106.
- the control circuit 106 counts the counting reference signal in response to the time measurement start signal and measures an accumulated time period from starting to operate the start button 202.
- Time data indicating 1/10 second during the accumulated time period is supplied to the motor driver circuit 110, the motor driver circuit 110 drives to rotate the motor 111 in response to the time data indicating 1/10 second and the motor 111 drives to rotate the chronograph 1/10 second hand 112. Thereby, a time period by the 1/10 second unit is indicated by the chronograph 1/10 second hand 112.
- time data indicating second and minute during the accumulated time period is supplied to the motor driver circuit 113, the motor driver circuit 113 drives to rotate the motor 114 in response to the time data indicating second and minute and the motor 114 drives to rotate the chronograph second/minute cooperation hand 115.
- a time period by the second/minute unit is indicated by the chronograph second/minute cooperation hand 115.
- the time measurement stop signal is outputted from the input circuit 103 to the control circuit 106 and the control circuit 106 finishes the time measuring operation.
- the chronograph 1/10 second hand 112 and the chronograph second/minute cooperation hand 115 are stopped in a state of indicating the measured time period.
- the shifting operation can be carried out by operating to pull the crown 204 in a state in which the reset button 203 is operated to depress.
- the resetting operation will be explained in details as follows.
- the control circuit 106 determines whether the crown 204 is operated to pull (step S401), when it is determined that the crown 204 is not operated to pull, the chronograph timepiece is set to a normal mode for carrying out operation of counting and displaying time to carry out time counting and indicating operation.
- step S401 the control circuit 106 determines whether the reset button 203 has already been operated to press (step S402).
- the control circuit 106 sets the chronograph timepiece to a chronograph hand reset mode 1 (step S403) and thereafter determines whether the start button 202 is operated to depress (step S404).
- step S404 When it is determined that the start button 202 is operated to depress at step S404, the control circuit 106 drives to rotate the 1/10 second hand 112 regularly by 1 step (step S407).
- the control circuit 106 determines whether the reset button 203 is operated to depress (step S405) and drives to rotate the second/minute cooperation hand 115 by 1 step when it is determined that the reset button 203 is operated to depress (step S408). When it is determined that the reset button 203 is not operated to depress at step S405, the control circuit 106 finishes the processing.
- the control circuit 106 sets the reset mode to the chronograph hand reset mode 2 (step S409) and thereafter determines whether the start button 202 is operated to depress (step S410).
- step S410 When it is determined that the start button 202 is operated to depress at step S410, the control circuit 106 drives to rotate the second/minute cooperation hand 115 reversely by 1 step (step S412).
- the control circuit 106 determines whether the reset button 203 is operated to depress (step S411) and drives to rotate the second/minute cooperation hand 115 regularly by 1 step when it is determined that the reset button 203 is operated to depress (step S413). When it is determined that the reset button 203 is not operated to depress at step S411, the control circuit 106 finishes the processing.
- the 1/10 second hand 112 and the second/minute cooperation hand 115 are returned to zero positions.
- the chronograph timepiece according to the first embodiment of the invention is a chronograph timepiece including the crown 204, the start button 202 for starting and stopping to measure the time period and the reset button 203 for returning the chronograph hand to the zero position, the chronograph timepiece comprising the control circuit 106 for shifting the resetting function of the start button 202 and the reset button 203 in resetting the plurality of chronograph hands 112 and 115 to the plurality of reset modes (chronograph hand reset mode 1, 2) having different resetting functions of the start button 202 and the reset button 203 in accordance with whether the reset button 203 is operated when the crown 204 has already been operated.
- the control circuit 106 for shifting the resetting function of the start button 202 and the reset button 203 in resetting the plurality of chronograph hands 112 and 115 to the plurality of reset modes (chronograph hand reset mode 1, 2) having different resetting functions of the start button 202 and the reset button 203 in accordance with whether the reset button 203 is operated when the crown 204 has
- an operation button which does not carry out other function at the time point (reset button 203 according to the embodiment) is constituted to operate and therefore, erroneous operation is not brought about in counting operation or the like by operating the operation button.
- the chronograph hand and the rotational direction in resetting of the chronograph hand are made to correspond to the operation button, that is, in the respective chronograph hand reset modes 1 and 2, the functions in resetting of the respective operation buttons 202 and 203 are previously determined and therefore, resetting can be carried out by selecting corresponding ones of the chronograph hands 112 and 115 by the functions related to the respective operation buttons 202 and 203 and the constitution can be simplified.
- Fig. 5 is a block diagram of a chronograph timepiece according to the second embodiment of the invention showing an example of an analog chronograph electronic timepiece having a time hand for indicating current time, a chronograph 1/10 second hand for indicating a measured time period by a 1/10 second unit, a chronograph second hand for indicating the measure time period by a 1 second unit and a chronograph minute hand for indicating the measured time period by a 1 minute unit and portions the same as those of Fig. 1 are attached with the same notations.
- the chronograph timepiece according to the second embodiment is provided with a date indicating portion (corresponding to the date indicating portion 201 of Fig. 2 and Fig. 3 ), a start button for operating to start and operating to stop to measure a time period (corresponding to the start button 202 of Fig. 2 and Fig. 3 ), a reset button for carrying out resetting operation for returning a chronograph indicating hand to a zero position (corresponding to the reset button 203 of Fig. 2 and Fig. 3 ) and a crown (corresponding to the crown 204 of Fig. 2 and Fig. 3 ) and for convenience of explanation, an explanation will be given by attaching notations the same as those of Fig. 2 and Fig. 3 to the start button, the reset button and the crown.
- the chronograph timepiece includes the oscillating circuit 101 for generating the reference signal, the dividing circuit 102 for generating the counting reference signal for counting time by dividing the reference signal, the first input circuit 103 for outputting the time measurement start signal or the time measurement stop signal in accordance with the operation of the start button 202, the second input circuit 104 for outputting the signal in accordance with operation of the reset button 203, the third input circuit 105 for outputting the signal in accordance with operation of the crown 204, the control circuit 106 constituted by the central processing unit (CPU) for carrying out the counting operation of the counting reference signal, the processing, mentioned later, the control of the total of the chronograph timepiece, the time indicating hand 109 for indicating current time, the first motor 108 for driving to rotate the time indicating hand 109, the first motor driver circuit 107 for driving the motor 108 in response to the signal from the control circuit 106, the first chronograph indicating hand (1/10 second hand for chronograph) 112 for indicating the measured time period by the 1
- Fig. 6 is a flowchart showing operation of the control circuit 106 according to the second embodiment of the invention and portions for carrying out processings the same as those of Fig. 4 are attached with the same notations.
- the start button 202, the reset button 203 and the crown 204 are brought into an unoperated state. Under the state, the operation is carried out similar to that in the first embodiment and current time is indicated by the time indicating hand 109.
- the time measuring operation when the start button 202 is operated to depress in a state of counting and indicating the current time, the time measurement start signal for indicating to start to measure the time period is outputted from the input circuit 103 to the control circuit 106.
- the control circuit 106 counts the counting reference signal in response to the time measurement start signal to measure the accumulated time period form the time of starting to operate the start button 202.
- the time data indicating 1/10 second in the accumulated time period is supplied to the motor driver circuit 110, the motor driver circuit 110 drives to rotate the motor 111 in response to the time data indicating 1/10 second and the motor 111 drives to rotate the chronograph 1/10 second hand 112. Thereby, the time period of the 1/10 second unit is indicated by the chronograph 1/10 second hand 112.
- the time data indicating second in the accumulated time period is supplied to the motor driver circuit 501, the motor driver circuit 501 drives to rotate the motor 502 in response to the time data indicating second and the motor 502 drives to rotate the chronograph second hand 503. Thereby, the time period of the second unit is indicated by the chronograph second hand 503.
- time data indicating minute in the accumulated time period is supplied to the motor driver circuit 504, the motor driver circuit 504 drives to rotate the motor 505 in response to the time data indicating minute and the motor 505 drives to rotate the chronograph minute hand 506. Thereby, the time period by the minute unit is indicated by the chronograph minute hand 506.
- the time measurement stop signal is outputted from the input circuit 103 to the control circuit 106 and the control circuit 106 finishes the operation of measuring the time period.
- the chronograph 1/10 second hand 112 the chronograph second hand 503 and the chronograph minute hand 506 are stopped in the state of indicating the measured time period.
- the shifting operation is carried out by operating to pull the crown 204 in the state of operating to depress the reset button 203.
- the resetting operation will be explained in details in reference to Fig. 6 as follows.
- the control circuit 106 determines whether the crown 204 is operated to pull (step S401) andwhen it is determined that the crown 204 is not operated to pull, the chronograph timepiece is set to the normal mode for carrying out operation of counting and indicating time to carry out the counting and indicating operation.
- step S401 the control circuit 106 determines whether the reset button 203 has already been operated to depress (step S402).
- the control circuit 106 sets the reset mode to the chronograph hand reset mode 1 (step S403) and thereafter determines whether the start button 202 is operated to depress (step S404).
- step S404 When it is determined that the start button 202 is operated to depress at step S404, the control circuit 106 drives to rotate the 1/10 second hand 112 regularly by 1 step (step S407).
- the control circuit 106 determines whether the reset button 203 is operated to depress (step S405) and drives to rotate the second hand 503 regularly by 1 step when it is determined that the reset button 203 is operated to depress (step S601). When it is determined that the reset button 203 is not operated to depress at step S405, the control circuit 106 finishes the processing.
- the control circuit 106 sets the reset mode to the chronograph hand reset mode 2 (step S409) and thereafter determines whether the start button 202 is operated to depress (step S410).
- step S602 When it is determined that the start button 202 is operated to depress at step S410, the control circuit 106 drives to rotate the minute hand 506 regularly by 1 step (step S602).
- the control circuit 106 determines whether the reset button 203 is operated to depress (step S411) and drives the minute hand 506 reversely by 1 step when it is determined that the reset button 203 is operated to depress (step S603). When it is determined that the reset button 203 is not operated to depress at step S411, the control circuit 106 finishes the processing.
- the 1/10 second hand 112, the second hand 503 and the minute hand 506 are returned to the zero positions.
- the chronograph timepiece according to the second embodiment of the invention similar to the first embodiment, there is achieved an effect in which the plurality of chronograph hands can swiftly be returned to the zero positions or the like even when the chronograph hands are stopped at any positions in the chronograph hand reset mode.
- the chronograph hand in the chronograph hand reset mode, even when the chronograph hand is stopped at any position, the chronograph hand can swiftly be returned to the zero position.
- the reset button which does not carry out other function is constituted to use at the time point and therefore, erroneous operation is not brought about in counting operation or the like by using the reset button.
- the function of the operation button and the chronograph hand in resetting are made to correspond to each other and therefore, resetting can be carried out by selecting the chronograph hand by the simple constitution.
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- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Description
- The present invention relates to a chronograph timepiece having a chronograph function.
- There has conventionally been used a chronograph timepiece having a time hand for indicating current time and a chronograph hand for indicating a measured time interval (for example,
chronograph 1/10 second hand for indicating by a 1/10 second unit, chronograph second hand for indicating by 1 second unit, chronograph minute hand for indicating by 1 minute unit, chronograph second/minute cooperation hand for cooperatively moving the second hand and the minute hand). The chronograph timepiece is provided with a reset function for resetting a chronograph hand to return to a zero position after finishing measurement or the like. - For example, according to a chronograph timepiece described in
JP-A-2002-82183 - Further, according to a chronograph timepiece described in
JP-A-2002-207089 - However, in either of
JP-A-2002-82183 JP-A-2002-207089 - Therefore, there poses a problem that a time period of returning the chronograph hand to the zero position is extremely prolonged depending on a position of stopping the chronograph hand and a direction of rotating the chronograph hand to the zero position in resetting the chronograph hand.
- Further, according to the chronograph timepiece described in
JP-A-2002-82183 - Further, according to the chronograph timepiece described in
JP-A-2002-207089 - It is a problem of the invention to enable to return a chronograph hand swiftly to a zero position even when the chronograph hand is disposed at any position in a chronograph hand reset mode.
- Further, it is a problem of the invention to prevent erroneous operation from being brought about in counting operation or the like in shifting to a chronograph hand reset mode.
- Further, it is a problem of the invention to enable to select a chronograph hand to reset by a simple constitution.
- According to the invention, there is provided a chronograph timepiece as set forth in
claim 1. - Here, it may be constituted that the controlling means corresponds the chronograph hand and a rotational direction in resetting the chronograph hand to the start button and the reset button in the reset modes.
- Further, it may be constituted that the chronograph timepiece includes a
chronograph 1/10 second hand and a chronograph second/minute cooperation hand and the controlling means sets a function of resetting to regularly rotate thechronograph 1/10 second hand to the start button and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button in a case in which the reset button has not been operated yet when the crown is operated. - Further, it may be constituted that the chronograph timepiece includes a chronograph second/minute cooperation hand and the controlling means sets a function of resetting to reversely rotate the chronograph second/minute cooperation hand to the start button and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button in a case in which the reset button has already been operated when the crown is operated.
- Further, it may be constituted that the chronograph timepiece includes a
chronograph 1/10 second hand and a chronograph second hand and the controllingmeans sets a function of resetting to regularly rotate thechronograph 1/10 second hand to the start button and sets a function of resetting to regularly rotate the chronograph second hand to the reset button in a case in which the reset button has not been operated yet when the crown is operated. - Further, it may be constituted that the chronograph timepiece includes a chronograph minute hand and the controlling means sets a function of resetting to regularly rotate the chronograph minute hand to the start button and sets a function of resetting to reversely rotate the chronograph minute hand to the reset button in a case in which the reset button has already been operated when the crown is operated.
- A preferred form of the present invention is illustrated in the accompanying drawings in which:
-
Fig. 1 is a block diagram of a chronograph timepiece according to a first embodiment of the invention; -
Fig. 2 is a front view of an outlook of the chronograph timepiece according to the first embodiment of the invention; -
Fig. 3 is a front view of an outlook of the chronograph timepiece according to the first embodiment of the invention; -
Fig. 4 is a flowchart showing operation of the chronograph timepiece according to the first embodiment of the invention; -
Fig. 5 is a block diagram of a chronograph timepiece according to a second embodiment of the invention; and -
Fig. 6 is a flowchart showing operation of the chronograph timepiece according to the second embodiment of the invention. -
Fig. 1 is a block diagram of a chronograph timepiece according to a first embodiment of the invention showing an example of an analog/chronograph electronic timepiece having a time hand for indicating current time, achronograph 1/10 second hand for indicating a measured time period by a 1/10 second unit and a chronograph second/minute cooperation hand for rotating a second hand and a minute hand cooperatively for indicating the measured time period. - In
Fig. 1 , a chronograph timepiece includes anoscillating circuit 101 for generating a reference signal, a dividingcircuit 102 for generating a counting reference signal for counting time by dividing the reference signal, afirst input circuit 103 for outputting a time measurement start signal or a time measurement stop signal in accordance with operation of a start button (start button 202 ofFig. 2 and Fig. 3 ), asecond input circuit 104 for outputting a signal in accordance with operation of a reset button (reset button 203 ofFig. 2 and Fig. 3 ), athird input circuit 105 for outputting a signal in accordance with operation of a crown (crown 204 ofFig. 2 and fig. 3 ), acontrol circuit 106 as controlling means constituted by a central processing unit (CPU) for carrying out counting operation of the reference signal, a processing, mentioned later, or control of a total of the chronograph timepiece, atime indicating hand 109 for indicating current time, afirst motor 108 for driving to rotate thetime indicating hand 109, a firstmotor driver circuit 107 for driving themotor 108 in response to a signal from thecontrol circuit 106, a first chronograph indicating hand (chronograph 1/10 secondhand) 112 for indicting a measured time period by a 1/10 second unit, asecond motor 111 for driving to rotate the firstchronograph indicating hand 112, a secondmotor driver circuit 110 for driving themotor 111 in response to a signal from thecontrol circuit 106, a second chronograph indicating hand (chronograph second/minute cooperation hand) 115 for cooperatively rotating a second hand and a minute hand for indicating the measured time period by second and minute, athird motor 114 for driving to rotate the secondchronograph indicating hand 115, and a thirdmotor driver circuit 113 for driving themotor 114 in response to a signal from thecontrol circuit 106. -
Fig. 2 and Fig. 3 are outline front views of the chronograph timepiece shown inFig. 1 and portions the same as those ofFig. 1 are attached with the same notations. Further,Fig. 2 is a view showing a time measuring state andFig. 3 is a view showing a zero position returning operation state. - In
Fig. 2 and Fig. 3 , the chronograph timepiece is provided with thechronograph 1/10second hand 112, the chronograph second/minute cooperation hand 115, adate indicating portion 201, thestart button 202 for carrying out operation of starting to measure a time period and operation of stopping to measure the time period in the chronograph mode, thereset button 203 for carrying out resetting operation for returning the chronograph indicating hand to the zero position in a state of stopping to measure the time period in the chronograph mode, and thecrown 204. Further, thereset button 203 is an operation button operated in shifting to the chronograph hand reset mode and is an operation button which is not provided with other function in shifting to the chronograph hand reset mode. -
Fig. 4 is a flowchart showing operation of thecontrol circuit 106 according to the first embodiment of the invention. - A detailed explanation will be given of operation of the first embodiment of the invention in reference to
Fig. 1 through Fig. 4 . - As an initial state, assume that the
start button 202, thereset button 203 and thecrown 204 are brought into an unoperated state. - First, explaining operation of indicating current time, the dividing
circuit 102 divides a clock signal outputted from the oscillatingcircuit 101 and outputs a counting reference signal for constituting the reference signal for counting time. - The
control circuit 106 generates time data indicating time by counting the counting reference signal. The time data indicating the current time is supplied to themotor driver circuit 107, themotor driver circuit 107 drives to rotate themotor 108 in response to the time data and themotor 108 drives to rotate the time indicating hand (for example, hour hand, minute hand, second hand) 109. Thereby, the current time is indicated by thetime indicating hand 109. - Next, time measuring operation will be explained. When the
start button 202 is operated to depress in a state in which the current time is counted and indicated, the time measurement start signal for instructing to start time measurement is outputted from theinput circuit 103 to thecontrol circuit 106. Thecontrol circuit 106 counts the counting reference signal in response to the time measurement start signal and measures an accumulated time period from starting to operate thestart button 202. Time data indicating 1/10 second during the accumulated time period is supplied to themotor driver circuit 110, themotor driver circuit 110 drives to rotate themotor 111 in response to the time data indicating 1/10 second and themotor 111 drives to rotate thechronograph 1/10second hand 112. Thereby, a time period by the 1/10 second unit is indicated by thechronograph 1/10second hand 112. - At the same time, time data indicating second and minute during the accumulated time period is supplied to the
motor driver circuit 113, themotor driver circuit 113 drives to rotate themotor 114 in response to the time data indicating second and minute and themotor 114 drives to rotate the chronograph second/minute cooperation hand 115. Thereby, a time period by the second/minute unit is indicated by the chronograph second/minute cooperation hand 115. - When operation of stopping to measure the time period is carried out by operating to depress the
start button 202 in the time measuring state, the time measurement stop signal is outputted from theinput circuit 103 to thecontrol circuit 106 and thecontrol circuit 106 finishes the time measuring operation. Thereby, as shown byFig. 2 , thechronograph 1/10second hand 112 and the chronograph second/minute cooperation hand 115 are stopped in a state of indicating the measured time period. - Next, an explanation will be given of resetting operation for returning the
chronograph indicating hands - In order to shift to resetting operation in a state in which the
chronograph 1/10second hand 112 and the chronograph second/minute cooperation hand 115 are stopped as shown byFig. 2 , the shifting operation can be carried out by operating to pull thecrown 204 in a state in which thereset button 203 is operated to depress. The resetting operation will be explained in details as follows. - First, the
control circuit 106 determines whether thecrown 204 is operated to pull (step S401), when it is determined that thecrown 204 is not operated to pull, the chronograph timepiece is set to a normal mode for carrying out operation of counting and displaying time to carry out time counting and indicating operation. - When it is determined that the
crown 204 is operated to pull at step S401, thecontrol circuit 106 determines whether thereset button 203 has already been operated to press (step S402). - When it is determined that the
reset button 203 has not been operated to depress yet at step S402, thecontrol circuit 106 sets the chronograph timepiece to a chronograph hand reset mode 1 (step S403) and thereafter determines whether thestart button 202 is operated to depress (step S404). - When it is determined that the
start button 202 is operated to depress at step S404, thecontrol circuit 106 drives to rotate the 1/10second hand 112 regularly by 1 step (step S407). - When it is determined that the
start button 202 is not operated to depress at step S404, thecontrol circuit 106 determines whether thereset button 203 is operated to depress (step S405) and drives to rotate the second/minute cooperation hand 115 by 1 step when it is determined that thereset button 203 is operated to depress (step S408). When it is determined that thereset button 203 is not operated to depress at step S405, thecontrol circuit 106 finishes the processing. - Meanwhile, when it is determined that the
reset button 203 has already been operated to depress at step S402, thecontrol circuit 106 sets the reset mode to the chronograph hand reset mode 2 (step S409) and thereafter determines whether thestart button 202 is operated to depress (step S410). - When it is determined that the
start button 202 is operated to depress at step S410, thecontrol circuit 106 drives to rotate the second/minute cooperation hand 115 reversely by 1 step (step S412). - When it is determined that the
start button 202 is not operated to depress at step S410, thecontrol circuit 106 determines whether thereset button 203 is operated to depress (step S411) and drives to rotate the second/minute cooperation hand 115 regularly by 1 step when it is determined that thereset button 203 is operated to depress (step S413). When it is determined that thereset button 203 is not operated to depress at step S411, thecontrol circuit 106 finishes the processing. - By repeating the above-described processing, the 1/10
second hand 112 and the second/minute cooperation hand 115 are returned to zero positions. - As described above, the chronograph timepiece according to the first embodiment of the invention is a chronograph timepiece including the
crown 204, thestart button 202 for starting and stopping to measure the time period and thereset button 203 for returning the chronograph hand to the zero position, the chronograph timepiece comprising thecontrol circuit 106 for shifting the resetting function of thestart button 202 and thereset button 203 in resetting the plurality ofchronograph hands hand reset mode 1, 2) having different resetting functions of thestart button 202 and thereset button 203 in accordance with whether thereset button 203 is operated when thecrown 204 has already been operated. - Therefore, in the chronograph hand reset mode, even when the chronograph hand is stopped at any position, the chronograph hand can swiftly be returned to the zero position.
- Further, in the case of shifting to the chronograph hand reset mode, an operation button which does not carry out other function at the time point (reset
button 203 according to the embodiment) is constituted to operate and therefore, erroneous operation is not brought about in counting operation or the like by operating the operation button. - Further, in the respective reset modes, the chronograph hand and the rotational direction in resetting of the chronograph hand are made to correspond to the operation button, that is, in the respective chronograph
hand reset modes respective operation buttons respective operation buttons - Next, an explanation will be given of a chronograph timepiece according to a second embodiment of the invention.
-
Fig. 5 is a block diagram of a chronograph timepiece according to the second embodiment of the invention showing an example of an analog chronograph electronic timepiece having a time hand for indicating current time, achronograph 1/10 second hand for indicating a measured time period by a 1/10 second unit, a chronograph second hand for indicating the measure time period by a 1 second unit and a chronograph minute hand for indicating the measured time period by a 1 minute unit and portions the same as those ofFig. 1 are attached with the same notations. - Further, similar to the first chronograph timepiece, the chronograph timepiece according to the second embodiment is provided with a date indicating portion (corresponding to the
date indicating portion 201 ofFig. 2 and Fig. 3 ), a start button for operating to start and operating to stop to measure a time period (corresponding to thestart button 202 ofFig. 2 and Fig. 3 ), a reset button for carrying out resetting operation for returning a chronograph indicating hand to a zero position (corresponding to thereset button 203 ofFig. 2 and Fig. 3 ) and a crown (corresponding to thecrown 204 ofFig. 2 and Fig. 3 ) and for convenience of explanation, an explanation will be given by attaching notations the same as those ofFig. 2 and Fig. 3 to the start button, the reset button and the crown. - In
Fig. 5 , the chronograph timepiece includes the oscillating circuit 101 for generating the reference signal, the dividing circuit 102 for generating the counting reference signal for counting time by dividing the reference signal, the first input circuit 103 for outputting the time measurement start signal or the time measurement stop signal in accordance with the operation of the start button 202, the second input circuit 104 for outputting the signal in accordance with operation of the reset button 203, the third input circuit 105 for outputting the signal in accordance with operation of the crown 204, the control circuit 106 constituted by the central processing unit (CPU) for carrying out the counting operation of the counting reference signal, the processing, mentioned later, the control of the total of the chronograph timepiece, the time indicating hand 109 for indicating current time, the first motor 108 for driving to rotate the time indicating hand 109, the first motor driver circuit 107 for driving the motor 108 in response to the signal from the control circuit 106, the first chronograph indicating hand (1/10 second hand for chronograph) 112 for indicating the measured time period by the 1/10 second unit, the second motor 111 for driving to rotate the first chronograph indicating hand 112, the second motor driver circuit 110 for driving the motor 111 in response to the signal from the control circuit 106, a second chronograph indicating hand (chronograph second hand) 503 for indicating the measured time period by a 1 second unit, a third motor 502 for driving to rotate the second chronograph indicating hand 503, a third motor driver circuit 501 for driving the motor 502 in response to a signal from the control circuit 106, a third chronograph indicating hand (chronograph minute hand) 506 for indicating the measured time period by a 1 minute unit, a fourth motor 505 for driving to rotate the third chronograph indicating hand 506, and a fourth motor driver circuit 504 for driving the motor 505 in response to a signal from the control circuit 106. -
Fig. 6 is a flowchart showing operation of thecontrol circuit 106 according to the second embodiment of the invention and portions for carrying out processings the same as those ofFig. 4 are attached with the same notations. - Operation of the second embodiment of the invention will be explained in details in reference to
Fig. 5 andFig. 6 as follows. - Assume that as an initial state, the
start button 202, thereset button 203 and thecrown 204 are brought into an unoperated state. Under the state, the operation is carried out similar to that in the first embodiment and current time is indicated by thetime indicating hand 109. - In the time measuring operation, when the
start button 202 is operated to depress in a state of counting and indicating the current time, the time measurement start signal for indicating to start to measure the time period is outputted from theinput circuit 103 to thecontrol circuit 106. Thecontrol circuit 106 counts the counting reference signal in response to the time measurement start signal to measure the accumulated time period form the time of starting to operate thestart button 202. - The time data indicating 1/10 second in the accumulated time period is supplied to the
motor driver circuit 110, themotor driver circuit 110 drives to rotate themotor 111 in response to the time data indicating 1/10 second and themotor 111 drives to rotate thechronograph 1/10second hand 112. Thereby, the time period of the 1/10 second unit is indicated by thechronograph 1/10second hand 112. - At the same time, the time data indicating second in the accumulated time period is supplied to the
motor driver circuit 501, themotor driver circuit 501 drives to rotate themotor 502 in response to the time data indicating second and themotor 502 drives to rotate the chronographsecond hand 503. Thereby, the time period of the second unit is indicated by the chronographsecond hand 503. - Further, time data indicating minute in the accumulated time period is supplied to the
motor driver circuit 504, themotor driver circuit 504 drives to rotate themotor 505 in response to the time data indicating minute and themotor 505 drives to rotate thechronograph minute hand 506. Thereby, the time period by the minute unit is indicated by thechronograph minute hand 506. - When operation of stopping to measure the time period by operating to depress the
start button 202 in the state of measuring the time period, the time measurement stop signal is outputted from theinput circuit 103 to thecontrol circuit 106 and thecontrol circuit 106 finishes the operation of measuring the time period. Thereby, thechronograph 1/10second hand 112, the chronographsecond hand 503 and thechronograph minute hand 506 are stopped in the state of indicating the measured time period. - Next, an explanation will be given of resetting operation for returning the
chronograph indicating hands - In order to shift to the resetting operation in the state of stopping the
chronograph 1/10second hand 112, the chronographsecond hand 503 and thechronograph minute hand 506, the shifting operation is carried out by operating to pull thecrown 204 in the state of operating to depress thereset button 203. The resetting operation will be explained in details in reference toFig. 6 as follows. - First, the
control circuit 106 determines whether thecrown 204 is operated to pull (step S401) andwhen it is determined that thecrown 204 is not operated to pull, the chronograph timepiece is set to the normal mode for carrying out operation of counting and indicating time to carry out the counting and indicating operation. - When it is determined that the
crown 204 is operated to pull at step S401, thecontrol circuit 106 determines whether thereset button 203 has already been operated to depress (step S402). - When it is determined that the
reset button 203 is not operated to depress at step S402, thecontrol circuit 106 sets the reset mode to the chronograph hand reset mode 1 (step S403) and thereafter determines whether thestart button 202 is operated to depress (step S404). - When it is determined that the
start button 202 is operated to depress at step S404, thecontrol circuit 106 drives to rotate the 1/10second hand 112 regularly by 1 step (step S407). - When it is determined that the
start button 202 is not operated to depress at step S404, thecontrol circuit 106 determines whether thereset button 203 is operated to depress (step S405) and drives to rotate thesecond hand 503 regularly by 1 step when it is determined that thereset button 203 is operated to depress (step S601). When it is determined that thereset button 203 is not operated to depress at step S405, thecontrol circuit 106 finishes the processing. - Meanwhile, when it is determined that the
reset button 203 has already been operated to depress at step S402, thecontrol circuit 106 sets the reset mode to the chronograph hand reset mode 2 (step S409) and thereafter determines whether thestart button 202 is operated to depress (step S410). - When it is determined that the
start button 202 is operated to depress at step S410, thecontrol circuit 106 drives to rotate theminute hand 506 regularly by 1 step (step S602). - When it is determined that the
start button 202 is not operated to depress at step S410, thecontrol circuit 106 determines whether thereset button 203 is operated to depress (step S411) and drives theminute hand 506 reversely by 1 step when it is determined that thereset button 203 is operated to depress (step S603). When it is determined that thereset button 203 is not operated to depress at step S411, thecontrol circuit 106 finishes the processing. - By repeating the above-described processing, the 1/10
second hand 112, thesecond hand 503 and theminute hand 506 are returned to the zero positions. - As described above, according to the chronograph timepiece according to the second embodiment of the invention, similar to the first embodiment, there is achieved an effect in which the plurality of chronograph hands can swiftly be returned to the zero positions or the like even when the chronograph hands are stopped at any positions in the chronograph hand reset mode.
- According to the chronograph timepiece of the invention, in the chronograph hand reset mode, even when the chronograph hand is stopped at any position, the chronograph hand can swiftly be returned to the zero position.
- Further, in shifting to the chronograph hand reset mode, the reset button which does not carry out other function is constituted to use at the time point and therefore, erroneous operation is not brought about in counting operation or the like by using the reset button.
- Further, the function of the operation button and the chronograph hand in resetting are made to correspond to each other and therefore, resetting can be carried out by selecting the chronograph hand by the simple constitution.
Claims (6)
- A chronograph timepiece comprising:a crown (204);a start button (202) for starting and stopping to measure a time period and a reset button (203) for returning a chronograph hand to a zero position; and characterised by comprising:controlling means (106) arranged to shift a resetting function of the start button (202) and of the reset button (203) in resetting the chronograph hand to a plurality of reset modes having different resetting functions of the start button (202) and of the reset button (203) in accordance with whether the reset button (203) is operated when the crown (204) has already been operated.
- A chronograph timepiece according to Claim 1;
wherein the controlling means (106) corresponds the chronograph hand and a rotational direction in resetting the chronograph hand to the start button (202) and the reset button (203) in the reset modes. - A chronograph timepiece according to Claim 1,
further comprising:chronograph 1/10 second hand and a chronograph second/minute cooperation hand,wherein the controlling means (106) sets a function of resetting to regularly rotate the chronograph 1/10 second hand to the start button (202) and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button (203) in a case in which the reset button (203) has not been operated yet when the crown (204) is operated. - A chronograph timepiece according to Claim 1 or 2,
further comprising:a chronograph second/minute cooperation hand,wherein the controlling means (106) sets a function of resetting to reversely rotate the chronograph second/minute cooperation hand to the start button (202) and sets a function of resetting to regularly rotate the chronograph second/minute cooperation hand to the reset button in a case in which the reset button (203) has already been operated when the crown (204) is operated. - A chronograph timepiece according to Claim 1,
further comprising:a chronograph 1/10 second hand and a chronograph second hand,wherein the controlling means (106) sets a function of resetting to regularly rotate the chronograph 1/10 second hand to the start button (202) and sets a function of resetting to regularly rotate the chronograph second hand to the reset button (203) in a case in which the reset button has not been operated yet when the crown (204) is operated. - A chronograph timepiece according to Claim 1,
further comprising:a chronograph minute hand and the controlling means (106) sets a function of resetting to regularly rotate the chronograph minute hand to the start button (202) and sets a function of resetting to reversely rotate the chronograph minute hand to the reset button (203) in a case in which the reset button (203) has already been operated when the crown (204) is operated.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003010647 | 2003-01-20 | ||
JP2003010647A JP4227423B2 (en) | 2003-01-20 | 2003-01-20 | Chronograph clock |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1439436A2 EP1439436A2 (en) | 2004-07-21 |
EP1439436A3 EP1439436A3 (en) | 2005-08-17 |
EP1439436B1 true EP1439436B1 (en) | 2009-09-30 |
Family
ID=32588577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04250151A Expired - Lifetime EP1439436B1 (en) | 2003-01-20 | 2004-01-14 | Chronograph timepiece |
Country Status (6)
Country | Link |
---|---|
US (1) | US7092317B2 (en) |
EP (1) | EP1439436B1 (en) |
JP (1) | JP4227423B2 (en) |
CN (1) | CN100578395C (en) |
DE (1) | DE602004023341D1 (en) |
HK (1) | HK1068420A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH700302A2 (en) * | 2009-01-21 | 2010-07-30 | Montblanc Simplo Gmbh | Chronograph. |
JP2011027705A (en) * | 2009-06-30 | 2011-02-10 | Seiko Instruments Inc | Chronograph timepiece |
JP2011013119A (en) * | 2009-07-02 | 2011-01-20 | Seiko Instruments Inc | Chronograph timepiece |
JP2011117768A (en) * | 2009-12-01 | 2011-06-16 | Seiko Instruments Inc | Chronograph timepiece |
EP2503416A1 (en) * | 2011-03-23 | 2012-09-26 | Hamilton International AG | Zählinstrument der Dauer von verschiedenen Phasen |
JP2012237739A (en) * | 2011-04-29 | 2012-12-06 | Seiko Instruments Inc | Electronic timepiece |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5355079A (en) | 1976-10-28 | 1978-05-19 | Citizen Watch Co Ltd | Correction system of electronic watch |
US4357693A (en) | 1980-06-20 | 1982-11-02 | Timex Corporation | Electronic hour timesetting device for electronic analog timepiece |
GB2166570B (en) * | 1984-09-26 | 1987-11-18 | Citizen Watch Co Ltd | Electronic timepiece with a chronograph system |
US5289452A (en) * | 1988-06-17 | 1994-02-22 | Seiko Epson Corporation | Multifunction electronic analog timepiece |
CH678911B5 (en) * | 1990-04-12 | 1992-05-29 | Ebauchesfabrik Eta Ag | |
CH681677B5 (en) | 1991-02-05 | 1993-11-15 | Complications Sa | The process of initializing perpetual calendar of an analogue quartz chronograph and quartz chronograph for its implementation. |
JP3602205B2 (en) | 1995-06-30 | 2004-12-15 | シチズン時計株式会社 | Electronic clock |
US6570823B1 (en) * | 1999-09-16 | 2003-05-27 | Eta Sa Fabriques D'ebauches | Electronic chronograph watch |
TW494287B (en) * | 2000-11-29 | 2002-07-11 | Ebauchesfabrik Eta Ag | Electronic chronograph watch with analogue display |
-
2003
- 2003-01-20 JP JP2003010647A patent/JP4227423B2/en not_active Expired - Lifetime
-
2004
- 2004-01-08 US US10/753,642 patent/US7092317B2/en active Active
- 2004-01-14 EP EP04250151A patent/EP1439436B1/en not_active Expired - Lifetime
- 2004-01-14 DE DE602004023341T patent/DE602004023341D1/en not_active Expired - Lifetime
- 2004-01-20 CN CN200410002918A patent/CN100578395C/en not_active Expired - Lifetime
-
2005
- 2005-01-26 HK HK05100679.3A patent/HK1068420A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040156272A1 (en) | 2004-08-12 |
JP4227423B2 (en) | 2009-02-18 |
US7092317B2 (en) | 2006-08-15 |
EP1439436A2 (en) | 2004-07-21 |
JP2004226078A (en) | 2004-08-12 |
EP1439436A3 (en) | 2005-08-17 |
CN1517818A (en) | 2004-08-04 |
CN100578395C (en) | 2010-01-06 |
DE602004023341D1 (en) | 2009-11-12 |
HK1068420A1 (en) | 2005-04-29 |
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